Datalogic Scanning DS2200 Manual do Utilizador descarregar pdf (Página 39)

Symbol

A combination of characters including start/stop and checksum characters, as

required, that form a complete scannable barcode.

Tilt

Rotation around the Z axis. Used to describe the position of the barcode with respect

to the laser scan line. See pars. 2.2.1 and 2.4.

Trigger Signal

A signal, typically provided by a photoelectric sensor or proximity switch, which

informs the scanner of the presence of an object within its reading zone.

UPC

Acronym for Universal Product Code. The standard barcode type for retail food

packaging in the United States.

Visible Laser Diode

A light source used in scanners to illuminate the barcode symbol. Generates visible

red light at wavelengths between 630 and 680 nm.

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Datalogic Scanning DS2200 Manual do Utilizador Página 39